Alloy 5083
(UNS A95083) W Nr.3.3547
| Chemical composition | Al | Mg | Mn | Cr | Fe | Si | Zn | Ti | Cu | Others |
|---|---|---|---|---|---|---|---|---|---|---|
| % Present (Max) | Balance | 4.0 – 4.9 | 0.40 – 1.0 | 0.05 – 0.25 | 0.40 | 0.40 | 0.25 | 0.15 | 0.10 | 0.05 each / 0.15 total |
Alloy 5083 is one of the highest strength non‑heat‑treatable aluminium alloys.
It offers excellent corrosion resistance in seawater and industrial environments, and retains good strength even after welding, which makes it a favourite for marine and pressure vessel applications.
Specifications:
- QQ‑A‑200/4 – General aluminium alloy specification (sheet, plate)
- QQ‑A‑250/6 – 5083 sheet and plate
- BS N8 – UK designation for 5083 plate/sheet
Note: Values are in accordance with EN 10088 specifications. Actual mill certs available upon request.